UTC to CHAST Time Converter

Convert Coordinated Universal Time (UTC) to Chatham Standard Time (CHAST). Both time zones are shown live below; current offset between them is 12h 45m ahead.

UTC · Coordinated Universal Time
07:04:06
Monday, May 11, 2026
UTC · UTC+00:00
Chatham Islands · Chatham Standard Time
19:49:06
Monday, May 11, 2026
GMT+12:45 · UTC+12:45

Convert a specific time

From: UTC (UTC)
To: CHAST (Chatham Islands)
--:--

Daylight Saving status right now

UTC (Coordinated Universal Time)
Observes DST
No
CHAST (Chatham Standard Time)
Observes DST
Yes
In DST right now
No
Next spring forward
2026-09-27
Offset shift
UTC+12:45 → UTC+13:45

Heads up: CHAST observes DST while UTC does not. The 12.75-hour difference shown above will shift by one hour when CHAST starts or ends DST.

When can UTC and CHAST meet?

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01
02
03
04
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07
08
09
10
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23
UTC
CHAST
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in UTC (UTC). Each row shows the local working-hours state in that zone for the same moment in time.
No business-hours overlap exists between UTC and CHAST.
The two zones are too far apart for synchronous meetings during normal working hours. Plan async or schedule outside 9-5 on at least one side.

Hour-by-hour UTC to CHAST conversion table

UTC time (UTC)CHAST time (Chatham Islands)Status
00:00 Mon12:45 MonCHAST working
01:00 Mon13:45 MonCHAST working
02:00 Mon14:45 MonCHAST working
03:00 Mon15:45 MonCHAST working
04:00 Mon16:45 MonCHAST working
05:00 Mon17:45 MonOff-hours both sides
06:00 Mon18:45 MonOff-hours both sides
07:00 Mon19:45 MonOff-hours both sides
08:00 Mon20:45 MonOff-hours both sides
09:00 Mon21:45 MonUTC working
10:00 Mon22:45 MonUTC working
11:00 Mon23:45 MonUTC working
12:00 Mon00:45 TueUTC working
13:00 Mon01:45 TueUTC working
14:00 Mon02:45 TueUTC working
15:00 Mon03:45 TueUTC working
16:00 Mon04:45 TueUTC working
17:00 Mon05:45 TueOff-hours both sides
18:00 Mon06:45 TueOff-hours both sides
19:00 Mon07:45 TueOff-hours both sides
20:00 Mon08:45 TueOff-hours both sides
21:00 Mon09:45 TueCHAST working
22:00 Mon10:45 TueCHAST working
23:00 Mon11:45 TueCHAST working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Coordinated Universal Time (UTC)
IANA identifier
UTC
Current UTC offset
UTC+00:00
Current abbreviation
UTC
Major cities in this zone
UTC
Chatham Standard Time (CHAST)
IANA identifier
Pacific/Chatham
Current UTC offset
UTC+12:45
Current abbreviation
GMT+12:45
Major cities in this zone
Chatham Islands

Related converters

CHAST to UTC (reverse)UTC to ESTUTC to PSTUTC to GMTUTC to CETUTC to ISTEST to CHASTPST to CHASTGMT to CHASTCET to CHASTIST to CHAST
Looking for local time? See time in UTC or time in Chatham Islands.

Frequently asked questions

What is the time difference between UTC and CHAST right now?+
CHAST (Chatham Standard Time) is currently 12h 45m ahead UTC (Coordinated Universal Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does UTC or CHAST observe daylight saving time?+
UTC: does not observe daylight saving time. CHAST: observes daylight saving time.
When is the best time to schedule a meeting between UTC and CHAST?+
UTC and CHAST have no business-hour overlap, even at the edges of a typical workday. Async collaboration or non-9-5 scheduling is the practical choice.
What time is it in Chatham Islands when it is 12:00 noon in UTC?+
When it is 12:00 Mon in UTC (UTC), it is 00:45 Tue in Chatham Islands (CHAST).
Which IANA time zone identifiers are used for UTC and CHAST?+
UTC maps to "UTC" in the IANA database. CHAST maps to "Pacific/Chatham". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is UTC ahead of or behind Chatham Islands?+
Whether UTC (UTC) is ahead of or behind Chatham Islands (CHAST) depends on the current UTC offsets. Right now CHAST is 12h 45m ahead UTC. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for UTC and CHAST?+
UTC is UTC+00:00 (UTC) and CHAST is UTC+12:45 (GMT+12:45). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both UTC and CHAST?+
No standard business-hours overlap exists between UTC and CHAST. Plan asynchronous work or schedule outside 9-5 on at least one side.